package com.dpj.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import java.io.IOException;
@WebFilter("/*")
public class TestFiler implements Filter {


    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        System.out.println("开始");
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        System.out.println("1");
        chain.doFilter(request,response);
        System.out.println("2");
    }

    @Override
    public void destroy() {
        Filter.super.destroy();
    }
}
